Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 14.98
Milk (kg) -327.00 -0.014 4.58
Fat (kg) -11.08 -0.375 4.15
Prot (kg) -14.17 -0.441 6.25
Fertility Sub Index 6.44
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.32 1.117 0.36
Calving Sub Index -1.46
Gestation Length (days) 1.59 -0.919 -1.46
Beef Sub Index 3.15
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 28.75

* Based on an €80/tonne carbon price